<template>
  <div class="login_container">
    <div class="login_box">
      <!-- 头像区域 -->
      <div class="avatar_box">
        <img src="../assets/01.jpg" alt="">
      </div>
      <!-- 表单区域 -->
      <el-form  ref="resetLoginRef" :model="loginForm" label-width="0px" class="login_form" :rules="loginFormRules">
        <!-- 用户名 -->
        <el-form-item prop="username">
          <el-input v-model="loginForm.username" prefix-icon="iconfont icon-yonghuming"></el-input>
        </el-form-item>
        <!-- 密码 -->
        <el-form-item prop="password">
          <el-input v-model="loginForm.password" prefix-icon="iconfont icon-mima" type="password"></el-input>
        </el-form-item>
        <!-- 表单区域 -->
        <el-form-item class="btns">
        <el-button type="primary" @click="login">登录</el-button>
        <el-button type="info" @click="resetLoginForm">重置</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>
export default {
  data(){
    return {
      loginForm:{
        username:'admin',
        password:'123456'
      },
      loginFormRules:{
        username:[
          {required:true,message:'请输入用户名!',trigger:"blur"},
          { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: "blur" }
        ],
        password:[
          {required:true,message:'请输入用户密码!',trigger:"blur"},
          { min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: "blur" }
        ]
    }
    }
  },
  methods:{
    resetLoginForm(){
      this.$refs.resetLoginRef.resetFields();
    },
    login(){
      this.$refs.resetLoginRef.validate(async valid=>{
        if(!valid) return;
        const {data:res} = await this.$http.post("login",this.loginForm)
        if(res.meta.status!== 200) return this.$message.error("登录失败！")
        this.$message.success("登录成功!")
        window.sessionStorage.setItem("token",res.data.token)
        this.$router.push('/home')
      })
    }
  }
};
</script>

<style lang="less" scoped>
.login_container {
  background-color: #2b4b6b;
  height: 100%;
}
.login_box {
  width: 450px;
  height: 300px;
  top: 50%;
  left: 50%;
  position: absolute;
  transform: translate(-50%, -50%);
  background-color: #fff;
  border-radius: 3px;
}
.avatar_box {
  width: 130px;
  height: 130px;
  border: 1px solid #eee;
  border-radius: 50%;
  padding: 10px;
  box-shadow: 0 0 10px #ddd;
  position: absolute;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: #fff;
}
.avatar_box img {
  height: 100%;
  width: 100%;
  border-radius: 50%;
  background-color: #eee;
  user-select: none;
}
.btns{
  display: flex;
  justify-content: flex-end;
}
.login_form{
  position: absolute;
  width: 100%;
  bottom: 0;
  padding:0 20px;
  box-sizing: border-box;
}
</style>
